McNary is a surname. Notable people with the surname include:

• Charles L. McNary (1874–1944), U.S. Republican politician
• John Hugh McNary (1867–1936), U.S. federal district court judge
• Joshua Aaron McNary (born 1988), American football player
• William S. McNary (1863–1930), U.S. Representative

• Roundel dagger
• Roundel enclosure
• Roundell Palmer, 1st Earl of Selborne
• Roundell Palmer Selborne
• Rounder
• Rounder Records
• Rounders
• Rounders (film)
• Roundeye
• Roundeyes
• Round goby
• Round Grove
• Round Grove Township, McLeod County, Minnesota
• Round Grove Township, MN
• Roundhay
• Roundhay Garden Scene
• Roundhead
• Round Hill, Dartmouth
• Round Hill (Dartmouth, Massachusetts)
• Round Hill, Loudoun County, Virginia
• Round Hill, VA
• Roundhouse
• Roundhouse (dwelling)
• Roundhouse Kick
• Roundhouse (venue)